Quincy Compressor QPNC 10 Operator's Manual
Also see for QPNC 10: Instruction and maintenance manual
                | |
12 Pub. No. 2200772355 — October 2006TROUBLESHOOTINGBefore performing any maintenance, stopthe machine and disconnect it from thepower supply and from the compressedair distribution network.Table 3 — Troubleshooting GuideSymptoms Cause RemedyOPERATIONS MARKED WITH AN ASTERISK (*) MUST BE PERFORMED BY PROFESSIONALLY SKILLED PERSONNELAPPROVED FROM THE MANUFACTURER.A. No compressed air passesthrough the dryer outlet.1. The pipes are frozen inside. *1a. The hot gas bypass valve is broken orout of calibration.1b. The room temperature is too low andthe evaporator’s piping is obstructedwith ice.B. Presence of condensate in thepipings.1. The condensate separator doesnot work correctly.2. The dryer is working outside itsrating.3. The dryer is working under badconditions for air-cooledcondenser.1a. Clean the condensate drain filter.*1b. Check the condensate drain.2a. Check the flow rate of treated air.2b. Check the room temperature.2c. Check the air temperature at the dryerinlet.3a. Clean the condenser.*3b. Check the operation and thecalibration of the fan cycling press.Switch.*3c. Check the operation of the fan.C. The compressor head is very hot>131 °F (55 °C).1. The dryer is working outside itsrating.2. The dryer is working under badconditions for air-cooledcondenser.3. The cooling circuit is notworking with the rightrefrigerant charge.1a. Check the flow rate of treated air.1b. Check the room temperature.1c. Check the air temperature at the dryerinlet.2a. Clean the condenser.*2b. Check the operation and thecalibration of the fan cycling press.Switch.*2c. Check the operation of the fan.*3a. Check if there are leaks ofrefrigerating gas.*3b. Charge it again. |
Related manuals for Quincy Compressor QPNC 10
manualsdatabase
Your AI-powered manual search engine